2 years ago

Write 2 / 3 of 4 as a mixed number.

Mathematics

2 answers:

elena-s [515]2 years ago

5 0

2/3 of 4 as a mixed number will be 2 2/3

timofeeve [1]2 years ago

5 0

Answer:

2 and 2/3

Step-by-step explanation:

i used my math skillz

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What percent of 200 miles is 150 miles

Anna71 [15]

150 miles is exactly 75% of 200 miles.
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3 years ago

What is the solution to the system of equations? y=1 y=-5x+3

In-s [12.5K]

Answer:

y=1

x=2/5

Step-by-step explanation:

1=-5x+3

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3 years ago

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What is the area of a triangle with vertices (3,0) (9,0) (7,6)

Nezavi [6.7K]

Answer:

The area of the triangle is of 21 units of area.

Step-by-step explanation:

The area of a triangle with three vertices $(x_1,y_1),(x_2,y_2),(x_3,y_3)$ is given by the determinant of the following matrix:

$A = \pm 0.5 \left|\begin{array}{ccc}x_1&y_1&1\\x_2&y_2&1\\1_3&y_3&1\end{array}\right|$

In this question:

Vertices (3,0) (9,0) (7,6). So

$A = \pm 0.5 \left|\begin{array}{ccc}3&0&1\\9&0&1\\7&7&1\end{array}\right|$

$A = \pm 0.5(3*0*1+0*1*7+1*9*7-0*7*1-0*9*1-3*1*7)$

$A = \pm 0.5*(63-21)$

$A = \pm 0.5*42 = 21$

The area of the triangle is of 21 units of area.

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3 years ago

Solve the system of equations. 2x - 4y = 10 7x - 9y = 12

drek231 [11]

2x - 4y = 10
7x - 9y = 12
_________
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3 years ago

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When (3,-2) is reflected across the x-axis the resulting image point is:

tankabanditka [31]

3,2

Step-by-step explanation:

Reflection across the x-axis:

(x,y) -> (x,-y)

In other words, you want to change the sign of the y.

(3,-2) -> (3,2)

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3 years ago

Write 2 / 3 of 4 as a mixed number. ​

Write 2 / 3 of 4 as a mixed number.